Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of Joseph, United States, especially given the town's Dsb climate, which can bring striking variations in sunlight exposure. The UV Index provides a daily risk assessment of ultraviolet radiation, helping to inform you when to take precautions against sunburn and long-term skin damage. With peak UV levels soaring to 11 around midday, it's vital to understand these ratings to protect your skin health and enjoy the beautiful outdoor scenery. By staying informed about UV levels, you can ensure that your adventures in Joseph remain safe and enjoyable, maximizing your time under the sun while minimizing the risk of harmful exposure.
As the sun rises, the UV Index begins its gradual ascent, starting at a gentle 1 at 07:00. By 08:00, it climbs to 2, signaling a mild increase in UV exposure. The intensity peaks dramatically at 12:00, where it reaches a striking 10, indicating a high risk for harm from unprotected sun exposure. 13:00 sees an even higher point of 11, making it crucial for sun safety measures. As the afternoon progresses, the index begins to descend—falling to 8 by 15:00 and tapering off to a more manageable 3 by 17:00. The day concludes with a soft decline, dropping back to 1 by 19:00. This hourly UVI data underscores the importance of protecting skin during the midday sun to prevent damage and ensure safety.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index varies significantly throughout the year, highlighting seasonal changes in sun exposure. The high-risk months are April to August, during which the UV Index reaches its peak with extreme levels of 10 to 11, resulting in shortened burn times of only 10 to 15 minutes. As spring transitions into summer, April and May are particularly concerning, as UV levels escalate rapidly. Residents and visitors should exercise caution during these months, wearing protective clothing, applying sunscreen, and seeking shade during peak sunlight hours. Conversely, the winter months of December and January present a much lower risk with UV Index levels at 2 to 3, where longer exposures are more manageable but still warrant attention. Being aware of these changes will help everyone stay safe while enjoying outdoor activities year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Joseph | 3 | 4 | 7 | 8 | 11 | 11 | 11 | 10 | 8 | 5 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |